What are the Great ShakeOut earthquake drills?

ShakeOut GIF showing what to do in an earthquake if you are near a sturdy desk or table. (Public domain.)

The Great ShakeOut earthquake drills are based on scenario earthquakes that could effect the area if they were to actually take place. Great ShakeOut Earthquake Drills are an annual opportunity for people in homes, schools, and organizations to practice what to do during earthquakes, and to improve preparedness. These events are made possible through a collaboration between several agencies including the USGS.